Examples with LispEncapsulatedControl org.onosproject.lisp.msg.protocols.LispEncapsulatedControl used on opensource projects

Example 1 with LispEncapsulatedControl

use of org.onosproject.lisp.msg.protocols.LispEncapsulatedControl in project onos by opennetworkinglab.

the class LispMapResolver method processMapRequest.

/**
 * Handles encapsulated control message and replies with map-reply message.
 *
 * @param message encapsulated control message
 * @return map-reply message
 */
List<LispMessage> processMapRequest(LispMessage message) {
    LispEncapsulatedControl ecm = (LispEncapsulatedControl) message;
    LispMapRequest request = (LispMapRequest) ecm.getControlMessage();
    List<LispMapRecord> mapReplyRecords = mapDb.getMapRecordByEidRecords(request.getEids(), true);
    List<LispMapRecord> mapRequestRecords = mapDb.getMapRecordByEidRecords(request.getEids(), false);
    if (mapReplyRecords.size() + mapRequestRecords.size() == 0) {
        List<LispMessage> mapReplies = Lists.newArrayList();
        // build natively-forward map reply messages based on map-request from ITR
        ReplyBuilder replyBuilder = initMapReplyBuilder(request);
        replyBuilder.withMapRecords(getNegativeMapRecords(request.getEids()));
        LispMessage mapReply = replyBuilder.build();
        mapReply.configSender(new InetSocketAddress(ecm.getSender().getAddress(), NEGATIVE_REPLY_DST_PORT));
        mapReplies.add(mapReply);
        log.warn(NO_MAP_INFO_MSG);
    } else {
        if (!mapReplyRecords.isEmpty()) {
            List<LispMessage> mapReplies = Lists.newArrayList();
            // build map-reply message based on map-request from ITR
            ReplyBuilder replyBuilder = initMapReplyBuilder(request);
            replyBuilder.withMapRecords(mapReplyRecords);
            List<InetSocketAddress> addresses = getItrAddresses(request.getItrRlocs(), ecm.innerUdp().getSourcePort());
            addresses.forEach(address -> {
                if (address != null) {
                    LispMapReply reply = replyBuilder.build();
                    reply.configSender(address);
                    mapReplies.add(reply);
                } else {
                    log.warn(NO_ITR_RLOCS_MSG);
                }
            });
            return mapReplies;
        }
        if (!mapRequestRecords.isEmpty()) {
            List<LispMessage> ecms = Lists.newArrayList();
            // re-encapsulate encapsulated control message from ITR
            List<InetSocketAddress> addresses = getEtrAddresses(mapRequestRecords, ECM_DST_PORT);
            addresses.forEach(address -> {
                if (address != null) {
                    LispEncapsulatedControl reencapEcm = cloneEcm(ecm);
                    reencapEcm.configSender(address);
                    ecms.add(reencapEcm);
                } else {
                    log.warn(NO_ETR_RLOCS_MSG);
                }
            });
            return ecms;
        }
    }
    return ImmutableList.of();
}